Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
6th Street surfForecast / Liberia / Liberia
48hr Weather and Surf, issued 11 pm Friday 12 Dec 2025 GMTForecast update in hr min s Forecast update imminent
6th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 6th Street sea temperature is
28.8° C
(Which is normal for this time of year)How big are the waves at 6th Street today?
The current surf forecast for 6th Street at 5AM is: 0.6m 7s primary swell from a South direction (forecast issued at 11:00pm December 12). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2.5ft (0.7m) | 7s |
| Afternoon (13 Dec) | 2.5ft (0.7m) | 7s |
| Evening (13 Dec) | 2.5ft (0.7m) | 7s |
Table - waves today at 6th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 13 | 13 | 14 | 14 | 15 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 36 | 36 | 35 | 47 | 45 | 45 | 44 | 44 | 43 | 51 | 51 | 52 | 86 | 85 | 126 | 97 | 102 | 120 | 158 | 125 | 136 | 121 | 101 | 136 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | on | on | cross- on | on | glass | on | cross- on | cross- on | cross- on | cross- on | cross- off | glass | off | off | glass | cross- on |
High Tide / height (m) | 1:36AM 1.13 | 2:36PM 0.94 | 2:32AM 1.11 | 3:35PM 0.99 | 3:21AM 1.10 | 4:23PM 1.04 | ||||||||||||||||||
Low Tide / height (m) | 6:51PM 0.47 | 8:09AM 0.37 | 8:00PM 0.51 | 9:02AM 0.34 | 9:02PM 0.51 | 9:46AM 0.30 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:45 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 |
 |  | | |  | | |  |  | | | | | | | | | | | |  | | | | |
Rain (mm) | 1 | - | 4 | 3 | 1 | 2 | 1 | - | - | 1 | 1 | 5 | 4 | 2 | 1 | - | - | 2 | 3 | 3 | - | - | - | - |
| Temp. °C | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 26 |
| Feels °C (?) | 30 | 30 | 29 | 30 | 29 | 30 | 30 | 29 | 30 | 28 | 29 | 28 | 30 | 30 | 29 | 29 | 30 | 29 | 28 | 29 | 27 | 30 | 30 | 28 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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